New to Lifehacker, Daily App Deals is a not-quite-quotidian compendium of noteworthy app price drops and discounts.

The Best

GrooVe IP for Android (Amazon App Store) Previously $3.99, now $1.99. GrooVe IP uses your Google Voice account to make unlimited, free calls to any US or Canadian phone from Android. It uses your data connection (both Wi-Fi and 3G), and you can either use its pre-packaged dialer or integrate it with the default. Read our original review of GrooVe IP here.